{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "838777725",
    "entityType": "User",
    "nonce": "0xec8d1add678a97580f9deec60e94c745dd7ceeeeabbe48685a87d6d6a112c7ec",
    "signature": "0x3be730dffb382df29a3d6afaecae9ea9573dbb5b03a561ff8f0a26a25000c2a001fd38890616c8e16556cd6053384ad948e2de59c219e21f0d982a001629e4771c",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}